Comparison

API 510 Highlights Practices vs NDT Worldwide

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

API 510 Highlights Practices

Closed book examination

"Your Success Our Achievement"

Free

📚 Education

No ratingsView app →

About

API 510 Highlights Practices

Features

Read full description

This Free version only has 15 practices and 15 exams questions to show you the general view of the app. The Full Exams version includes more than 1000 questions that cover the whole sections of API 510 Closed-book test.

About

NDT Worldwide

Features

Read full description

We offers targeted training designed to your professional certification's needs. We offer training with On-site Instructor-led courses, Virtual Classroom, eLearning, Online Courses and blended learning options. NDT Training - Worldwide’s faculty of lead trainers and mentor coaches have a cumulative over 10 to 15 years of training and filed experience. These Preparatory courses have been conducted Worldwide.

Screenshots

API 510 Highlights Practices4 screens

NDT Worldwide4 screens

Verdict

The call

The clearest difference is in-app purchases: API 510 Highlights Practices at none against NDT Worldwide's 10. API 510 Highlights Practices also leads on update cadence (every 2 months vs every 16 months) and iOS requirement (9.1 vs 15.6). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NDT Worldwide sells 10 one-off in-app purchases. API 510 Highlights Practices asks for nothing beyond the download.

UpkeepUpdate frequency

API 510 Highlights Practices ships an update every 2 months, NDT Worldwide every 16 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level

API 510 Highlights Practices versus NDT Worldwide: the parameters behind the verdict, then further details
Parameter	API 510 Highlights Practices	NDT Worldwide
Price	Free	Free
Update frequency	Every 2 months — better	Every 16 months
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.1 — better	15.6
Further details — not scored
Size	16 MB	265 MB
Age rating	4+	17+
Developer	Nguyen Hieu	WWNDT SERVICES PRIVATE LIMITED

In-app purchases

None

API 510 Highlights Practices

No in-app purchases

10 purchases

NDT Worldwide

One-time10

ASTM E165$44.99
ASTM E2582$44.99
ASTM E2375$54.99

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ASTM E2375$69.99
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ASNT NDT Level III-BASIC$299.99
ASNT UT Level III Examination$299.99
ASNT ML Level III Examination$399.99
ASNT NDT Level III BASIC$449.99

Questions

Is API 510 Highlights Practices free?

API 510 Highlights Practices is free to download, with no in-app purchases.

Is NDT Worldwide free?

NDT Worldwide is free to download, with in-app purchases available.

Do API 510 Highlights Practices or NDT Worldwide have ads?

Neither API 510 Highlights Practices nor NDT Worldwide shows ads.

Which is updated more often, API 510 Highlights Practices or NDT Worldwide?

API 510 Highlights Practices ships an update every 2 months, and NDT Worldwide every 16 months. Most recently, API 510 Highlights Practices was updated on October 1, 2026 and NDT Worldwide on October 7, 2026.